Food Factories
What is the primary job of leaves?
To make food
These are the cells at the top and bottom of a leaf layer
Epidermis
These are bundles of tiny tubes found in the leaf
Veins
What does photosynthesis use to create food for the plant?
Sunlight and chlorophyll
These are found in the Palisade cells and make food
Chloroplasts
Bundles of tiny tubes
What is the purpose of the epidermis cells?
To protect the leaf
Chlorophyll
What gas does a plant use in photosynthesis?
Carbon Dioxide
What is the purpose of spongy cells?
Air flow and they make food
Stomata
Beneath the epidermis are these long balloon-shaped cells
Palisade
What direction should leaves grow?
Horizontal
What gas do plants give off as a result of photosynthesis?
Oxygen
Why is photosynthesis important for humans?
We need oxygen to breathe!
What do stomata let into the leaf?
Air
Below the palisade layer are several layers of round loosely-packed cells called....
Spongy cells
How many layers is the upper epidermis of the leaf?
1
Water
What cells are box-like in shape?
This protects the leaf from drying out
Waxy layer
What do the Xylem and Phloem cells do?
Carry water and food
Is the wax layer thicker or thinner than the epidermis?
Thinner
What two things does a plant turn water and carbon dioxide into?
Sugar and Oxygen
what cells in the leaves make their own food?
Palisades